The James Webb Space Telescope (JWST) has discovered that a hazy sky over frozen Pluto is helping to cool the dwarf planet's ...

The new object is one of the most distant visible objects in our solar system. Astronomers have indeed discovered a potential new dwarf planet in the outer reaches of our solar system, far beyond ...

announced the discovery on May 21. At roughly 435 miles wide, 2017 OF201 could qualify as a dwarf planet, the same designation Pluto has had since its demotion from ninth planet in 2006.

Astronomers have identified a new trans-Neptunian object, 2017 OF201, located far beyond Pluto. Its enormous size, comparable to dwarf planets, and highly elongated orbit provide valuable insights ...

placing it in a similar category to Pluto. Despite its distance, the object's discovery challenges the prevailing notion of an empty outer solar system. What makes 2017 OF201 particularly ...

How did Pluto end up with its largest moon, Charon? Like many entanglements, it started with a kiss. New research from the University of Arizona details a “kiss and capture” mechanism the ...

The diameter of Pluto, meanwhile, is 2,377 km. Further observations, potentially using radio telescopes, are needed to determine the object's exact size. Cheng discovered the object as part of an ...

Earth has a newly-discovered neighbor in the solar system. But the heavenly body – possibly a dwarf planet à la Pluto – isn't a frequent visitor. Located beyond Neptune, its extreme orbit ...

Pluto was discovered 95 years ago on Feb. 18, and even though it was demoted nearly two decades ago, it remains a fascinating ...

“Says who? He renamed a Gulf and the Astronomer who discovered Pluto was American. Seems like America has jurisdiction on things outside its borders,” Shatner wrote, adding the expressionless emoj ...

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